"DYEING DOWN" PROCESS.

New Zealand Herald, Volume LXV, Issue 19892, 10 March 1928, Page 11

"DYEING DOWN" PROCESS.

LIGHT SHADES FOR DARK. RIVAL INVENTORS QUARREL, [prom our own correspondent.;] - 1 -SYDNEY Feb. "23. In Melbourne xA late publicity has been given to a sySfem Of dyeing fabrics whereby darker shades may be transformed into lighter ones. This is said, to have been long e problem of tne dyeing trade. - -■ - . There appears to have been two in-: venters working toward the same end* Representatives of one interest, the Sronenberg process, gave a demonstration in the city a little time back, apparently with successful results. A number of silk samples Sent in had' been redyed previously in an unsatisfactory manner, -and it was asked whether they could be restored to their original colour. This waa done before the eyes of those, assembled. The "star" tern consisted of the trans-, formation of a pair of black silk stockings After a few minutes' immersion of the stockings in the chemicals this difficult feat was seemingly accomplished, the feet coming out flesh.coloured; and the tops being left the original black. The demonstration was at times lively. Mr, R. Stoneham, who gave explanations while Mr. Kronenberg did the technical work, declared that there was a hostile group present to represent rival. interests. This announcement created a diversion. At first Mr: Stoneham protested, and he was moved to dramatic action when somebody handed in a hat to be dyed, which obstinately refused to show the orthodox results when dipped iti the tank. The demonstrator said that the hat had been originally dyed with Indian carbon, whereas it had beeri stipulated that only articles treated with aniline dyes were to be eligible foe the, tests, ■ , '« led Mr, Stoneham to threaten that if such tactics did not case would broadcast throughout Aust.aU -he secret of his g) . The comment has - one > e nqss a move savours of I cu , threat had its Sr.nd .., s